<section class="a">
    <a href="/dropshadow">
        <h2>drop-shadow</h2>
    </a>
</section>
<section class="b">
    <a href="/writingmode">
        <h2>writing-mode</h2>
    </a>
</section>
<section class="c">
    <a href="/pseudoelement">
        <h2>:pseudo-element</h2>
    </a>
</section>
<section class="d">
    <a href="/parallax">
        <h2>pure-css parallax</h2>
    </a>
</section>
